Know all about Tonalite and Dunite properties here. All properties of rocks are important as they define the type of rock and its application. Tonalite and Dunite belong to Igneous Rocks.Texture of Tonalite is Phaneritic whereas that of Dunite is Phaneritic. Tonalite appears Banded and Foilated and Dunite appears Rough and Shiny. The luster of Tonalite is subvitreous to dull while that of Dunite is shiny. Tonalite is available in black, brown, light to dark grey, white colors whereas Dunite is available in dark greenish - grey colors. The commercial uses of Tonalite are cemetery markers, creating artwork and that of Dunite are creating artwork, gemstone, jewelry, source of chromite, platinum, nickel and garnet, source of diamonds.